The six remaining castaways receive a visit from loved ones. To win more time with them and to go on a boat cruise, the family members attempt to solve a puzzle. For immunity, the players participate in a memory challenge while being blindfolded.

The castaways play for a reward that includes a night at a private resort by revisiting three past challenges. For immunity, the players must solve a puzzle that involves interlocking stacks of gold coins.

Two castaways consider quitting the game after a lengthy rainstorm. For reward, the players, divided into two teams, must untie and carry a heavy 8-foot dummy over and through several obstacles. The winners view a movie and enjoy snacks.

The men race against the women on an obstacle course that requires each team to retrieve three keys that will unlock and hoist a flag. The winners journey above the jungle via a zip line and enjoy a barbecue. For immunity, players take part in a memorization test.

The Espada and La Flor tribes merge and rename their group Libertad. For individual immunity, the castaways each hold a steel rod by applying pressure with two metal handles. The last man and last woman to hold onto their rod wins. At tribal council, another person is voted out of the game.

The castaways play for a reward that includes a visit to a Nicaraguan farm for a festive breakfast. To win, the players throw balls into a net while being defended. At the immunity challenge, each tribe tries to break tiles belonging to the opposing team by rolling balls down a makeshift chute.

The castaways are surprised to learn they are playing for an individual immunity and not a tribal one because both teams must attend tribal council and vote someone out. For immunity, the players dig up rope rings with a paddle.

The castaways are shocked when new tribes are formed that end the division between younger and older players. For immunity, three people from each team are dunked in water, which they then spit into a tube to release a ball that's used to break tiles.

The castaways play for immunity and a reward that includes fishing supplies and a tarp by retrieving 10 items while blindfolded and tethered to a partner. At La Flor, a secret is revealed that solidifies an alliance and at Espada one player's boasting annoys the tribe. At tribal council, another castaway is voted out of the game.

The tribes must toss small sandbags onto 10 barrel heads to win immunity and a reward that includes fruit and spices. A battle erupts between players of the winning team when a clue to a hidden immunity idol is discovered in a fruit basket. At tribal council, another castaway is voted out of the game.

The tribes compete for immunity and reward by locating balls in a haystack and then tossing them into a barrel. At La Flor, tempers flare because of personality conflicts, and at Espada one castaway's erratic behavior threatens to end their game early.

The 21st edition of the reality series begins in Nicaragua with 20 castaways being divided into tribes according to their ages. The Espada tribe is made up of people over age 40, while the La Flor tribe consists of people ages 30 and under. Former Dallas Cowboys coach Jimmy Johnson is among the participants.